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Authors :
Salmelin R; Tampereen yliopisto, kansanterveystieteen laitos, Tampere, Finland.
Subjects: Surveys and Questionnaires*; Biometry ; Research Design
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Source:
Duodecim; laaketieteellinen aikakauskirja [Duodecim] 1993; Vol. 109 (3), pp. 198-203.Publisher: Laaeketieteellinen Aikakauskirja Duodecim Country of Publication: Finland NLM ID: 0373207 Publication Model: Print Cited Medium: Print
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